The aspirants appearing at various competitive examinations are always in a deep need and search of comparatively easy to understand and useful study contents in Computer Science. With this key point in mind we are providing you numerous questions for your reference that are intelligently selected and it is covering all examination oriented topics and few questions are taken from different competitive examinations.

1. Linkage between the CPUand the end users is provided by-

(A) Peripheral devices

(B) Storage devices

(C) Control unit

(D) Software

Answer: (A)

2.Coaxial cable has conductors with

(A) equal resistance

(B) the same diameter

(C) Both (A)and (B)

(D) a common axis

Answer: (D)

3.The area of coverage of a satellite radio beam is known as

(A)Footprint

(B)Circular polarization

(C)Beam width

(D)Identity

Answer: (A)

4. You are working with a network that is 172.16.0.0 and would like to support 600 hosts per subnet. What subnet mask should you use?

(A) 255.255.192.0

(B) 255.255.224.0

(C) 255.255.240.0

(D) 255.255.252.0

Answer: (D)

5.A device that can convert digital signals to analog signals is

(A) a packet

(B) a modem

(C) Both (A) and (B)

(D) a block

Answer: (B)

6.If you get both local and remote echoey, every character you type will appear on the screen-

(A) once

(B) twice

(C) thrice

(D) none of the above

Answer: (B)

7.what protects the coaxial cable from noise?

(A) inner conductor

(B) outer conductor

(C) diameter of cable

(D) Both (A) and (B)

Answer: (B)

8.The radio communication spectrum is divided into bands based on-

(A)amplitude

(B)hardware

(C)frequency

(D)transmission media

Answer: (C)

9. Thermal printer is-

(A) a printing device that utilizes paper that is sensitive to heat.

(B) non-impact printer

(C) both (A) & (B)

(D) none of the above

Answer: (A)

10.Most networks are connected to other local area or wide area networks. Select the best fit for answer: